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H. TINTROP.

WINDOW.

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UNITED STATES HENRY TINTROP, OF SAN PATENT Orrien.

FRANCISCO, CALIFORNIA.

WINDOW.

SPECIFICATION forming part of Letters Patent No. 388,932, datedSeptember 4, 1888.

Application tiled September 22, 1887. Serial No. 250.373. (No modi-l.)

To @ZZ whom it may concern:

Be it known that I, HENRY TINTROP, a citizen of the United States,residing in the city and county of Sau Francisco, and State ofCalifornia, have invented certain new and useful Improvements inliVindows, of which the following is a specification.

My invention relates to improvements in windows, which will heunderstood by reference to the accompanying drawings and the lettersreferring thereto.

Figure l isa l'ront elevation. Figs. 2 and 3 are horizontal sections.Fig. 4 is an enlarged broken sectional View of the hinged part, and Fig.5 a broken section showing the opposite side of the sash and casing.

A represents the windowcasing; B, the lower sash; I3', the upper sash;C, the lower sash hinge posi; C, the upper sash hingepost; D, lhe hingesol' the lower sash; D', the hinges i'or the upper sash; E, the innerwindow-strip for the hinge side of the sash; E', the outer window stripfor the hinge side of the sash; F, the inner window-strip for the plainside ol' the sash; F', the outer windowstrip for the plain side of thesash; G, the partingsl'rip for the outer or plain solid side of sashes.

H represents a part olthe side of the window frame hinged so as to openback out of the way and allow the opening of the sashes. lt extendstroni the point S up tothe point T. The points S and T should be at aninterval sullicient to permit the sashes to he swung hetween iheni.

I represents the hinge ofthe part H.

J represents the locl pili.

K represents the lock-block.

L represents the partingstrip for the hinged edges of the sashes.

M represents the weightbox or side space for the window-sash weight.

N represents the lifting hand-piece for raising the sash.

O represents the position of anti friction pulleys for the edge of thesash.

P represents the tongues or projections, which interlock withcorresponding grooves in the hinge-posts for the purpose ol' holding thesash from being drawn out when they are swung open, at the saine timethat they allow the same to slide up and down.

Q represents the channel for the saslrweight cord.

The following is the construction of my improved window: I forni thesash similar to other sashes, except that I tit and hinge them to thehinge-postsC and C', which I groove to receive the tongues I). (Plainlyshown in Fig. 4.) I form the tongue l? so as io allow the sash to slidefreely up and down. I forni the sash hingeposts C and C of hard wood,the liest to be had for strength and durability, and hinge the sash asshown at D and D. From the point S to the point T, (shown in Fig. 1,) Iout out the side l'ranie lo lorin the hinged door H, which I hinge at I,as shown in Figs. 2, 3, and 5. I add the projection K, which is designedto receive the lock'pin J. I place the hand -pieee N close to the hingedand weightier side. I place antiirieton rolls O in the side of the sashopposite tothe hinged side to keep the sash from cramping o r hi ndi ngwhen raised or lowered.

The following is the operation of my iur proved window: .Vhen the sashis to he raised or lowered, I slide theni up or down in the same11i-.inner as other sashes are operated; but when the sash is to heopened for the purpose of washing it or l'or other purposes I raise thelower sash, B, above the point T. I then remove the lock-pin .I and pushback the door H to the position shown by the dotted lines in Fig. 5. Ithen lower the sash B until the lower rail is just above the point S andswing the sash into the rooni, and when the uppei sash is to be .openedI lower it to the saine degree and swing it in, as shown in Fig. 3, thusleaving the wholenwindow, or hoth saslies,open. Thus, in addition toavoiding all necessity of going on the outside to wash the glass, thewhole area oi' the window may he opened at the saine time, as shown inFig. 3.

Having thus described inyinvention, whatI claim, and desire to secure hyLetters Patent, 1s-

In windows, the combination, with a window-frame having one of its innervertical walls provided with a parting strip and guides, as described,or' hinge-posts grooved and arranged in said guides, sashes hinged tothe said posts, and a door hinged to the op posite vertical wall of theframe and adapted to serve the twofold function of a parti-ng strip andstop for the hingeinoveiuent of the sashes, substantially as specified.

Witnesses: TINTROP.

JOHN H. Rnnstronn,

L. E. RnDs'roNn.

IOO

